Tỷ lệ kèo nhà cái֣ܲЩʹͷ̫ʷǽһ佫ĵλһһǹɱģȥǣһǺɵģ粣ֲܲȰǰһЩпСڱһȥС㲻ӣݹֵܲˣˣСȥڻƻδȼʱѾı콵꣬ϨⳡЩūֵ֮ʱ뵽ԷʱܻɱûūäĿֹۣڻʱ㿪ʼΧıսֻһзִ̫٣ûȫõִе£DZѾ˻ƻδȫȥֱӷ˳档ȵͷ˿Ŵأ׳Уϣյ˿ǰ棬һ¯лյ˵ˣУһξ룬Уսʿظܵ
~ͱЩˣִܲȥŹ˶ãֻܲ˻ĵĿ⣬Ц£վɢɢģڼͺӶá
УҲסˣ밴֮ǰԼķ䣬ͳ㣿һֱΪνǣԼµκһdzأֱȳ֪֮νǣҲһϵijdzزʸΪǡ
˵˰죬ȶˣ죬ȥȥý˵ŵ˿ˡ˦˦ԴվҡҡλΣСʱ·ȥƾȥưûȥܣȻһʮһžʯѹУڼϽҲˣʮڼıտأɲҴ⡣ͬʱԽֵ֮ϣͻȻһװսʿһ乭ĮĿǡ